I had a problem installing happy 1.17 (same result with happy head). This appears to be required for installing happs-hsp-template via cabal install. thanks for any advice! Thomas. ***** thartman@thartman-laptop:~/haskellInstalls/smallInstalls>darcs get --partial http://darcs.haskell.org/happy/ ********************** Copying patch 87 of 87... done. Applying patch 86 of 86... done. Finished getting. thartman@thartman-laptop:~/haskellInstalls/smallInstalls>cd happy thartman@thartman-laptop:~/haskellInstalls/smallInstalls/happy>runghc Setup.lhs configure Setup.lhs:30:43: Not in scope: `buildVerbose' thartman@thartman-laptop:~/haskellInstalls/smallInstalls/happy>cabal --version cabal-install version 0.4.9 using version 1.3.12 of the Cabal library thartman@thartman-laptop:~/haskellInstalls/smallInstalls/happy>ghc-pkg list | grep -i cabal Cabal-1.2.3.0, Cabal-1.3.11, Cabal-1.3.12, Cabal-1.5.2,